-seta crosshair_color_by_health 0 "if enabled, crosshair color will depend on current health"
-seta crosshair_color_per_weapon 1 "when 1, each gun will display the crosshair with a different color"
+seta crosshair_color_special 1 "special color handling for crosshair... 1 = per-weapon crosshair color (see crosshair_per_weapon), 2 = crosshair changes color based on health, 3 = rainbow/random color selection"
+seta crosshair_color_special_rainbow_delay 0.1
+seta crosshair_color_special_rainbow_brightness 20 "color brightness of the random crosshair colors"